USB-C rechargeable Arm and disarm by remote Strong remote range up to 164ft~229ft 3 Installation methods 7 Levels adjustable sensitivity Levels adjustable volume Vehicle search function 3 Different ringtones for vehicle search function (Invalid in ARM mode) Low battery indicator (If alarm is low battery, it will make low-battery prompt sounds when you press arm/disarm button) IP54 Waterproof Alarm noise level: 110dB Waterproof grade: IP54 Remote range: up to 164 feet (up to 229 feet outdoors) Alarm battery: 4.2V 700mah lithium battery (including) Remote control battery: 27a (12V) alkaline battery (including) Rechargeability: alarm battery only (USB C rechargeable) Alarm working time: about 1 ~ 3 months. The standby time is about 6 months Remote working time: 1 ~ 2 years (5 times a day) Operating frequency: 433.92mhz Working temperature: - 40 ~ + 70 Celsius, storage temperature: - 40 ~ + 70 Celsius Colour:black Material: ABS Package Contents: 1 x alarm 2 x remote Control Only the above